Who owns MAC prefix 40A93F?

40A93F is registered to Pivotal Commware, Inc. in the IEEE MA-L registry.

What devices use 40A93F?

Any network device with a MAC address starting 40:A9:3F was manufactured by or for Pivotal Commware, Inc..

MA-L · OUI prefix

Pivotal Commware, Inc.

Any MAC address starting 40:A9:3F is registered to Pivotal Commware, Inc. in US.

OUI prefix	40A93F
Vendor	Pivotal Commware, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	40:A9:3F:00:00:00

What this means

The IEEE assigned the MA-L block 40A93F to Pivotal Commware, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 40:A9:3F, it is Pivotal Commware, Inc. hardware.

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